Home / 1,281,480.52-1,921,629.11-471,661.52

Finding the Fourth Proportional to 1,281,480.52, 1,921,629.11 and 471,661.52

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Solution

The fourth proportional to 1,281,480.52, 1,921,629.11 and 471,661.52 is: 707,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,480.52 : 1,921,629.11 = 471,661.52 : x
  2. Step 2: Convert to fraction form
    1,281,480.52/1,921,629.11 = 471,661.52/x
  3. Step 3: Cross multiply
    1,281,480.52x = 1,921,629.11 × 471,661.52
  4. Step 4: Simplify right side
    1,281,480.52x = 906,358,506,898.85
  5. Step 5: Solve for x
    x = 906,358,506,898.85/1,281,480.52
  6. Step 6: Final answer
    x = 707,274.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.